Mixing-machine.



No. 873,391. PATENTED DEC. 10, 1907.

' W. G. STOGKHAM 6: F. L. DOYLE.

3 SHEETS-SHEET 1.

PATEN TED DEC. 10, 1907. GLSTOGKHAM & F. L. DOYLE.

MIXING MACHINE.

APPLICATION FILED AUG. 31, 1906.

3 SHEETS-SHEET 2.

Q/Vihwowa PATENTED DEC. 10, 1907. W. G.'STO0KHAM & F. L. DOYLE.

MIXING MACHINE.

APPLIOATIONIILED AUG. 31, 1906.

3 SHEETS-SHEET 3.

1/06 hwaaea novel To alljwhom it concern:

\ Be it known-that we, WILLIAM GQSroox-f HAM and FRANK L. DOYLE,citizens of the United States, residing at Piqua, in the county of Miamiand State of Ohio, have invented certain new and; useful Im rovements inMisting-Machines, of which t e fol- I lowing is a specification. c

This invention contemplates certainnew and useful improvements in mixin.machines andrelates particularl to amachme intended for-mixing or kneegsand on a foundry floor or the like. Y

The objects of the invention are to provide means for adjusting themixer or eader to combine'fen'ders with the ma chine for'throwing thematerial inwardly and preventmg the same fromv becoming seatin all theviews 0 56 posts 5'whlchare tered, to provide for agitating the centerof the pile or row ofmaterial and to insure an effective operation pfthe mixing orkneading elements thereon. a I For. a full 'understandin ofthe invention and the meritsthereof and also to acquire a knowledge ofthe details of' construction of theflmeans for effecting the result,.refere'nce is to be had to the following descriptionand accompanyingdrawin in which: a

,Figure l is a sidee evation, showing the mixer elevated; Fig 2 is avertical sectlonal view showing, the rumor in lowered position v Fig, 3is a an view;'Fig. 4 is a rear view; a detail perspectlve v1ew ofthegathering blade and its connection with the frame. a a 3 r Correspondingand like parts are referred to in the following descriptlon andindicated thedrawi'ngs by the same reference characters. 4

The main frame comprises side bars 1 and standards 2, said parts beingof anya proved construction according to th'es ccia design of themachine. vSupporting w eels 3 and 4 are provided-for susta ning themachine, the front wheels 3 being adjustable to admitof proper steering,whereas the rear wheels 4 constitute drivers to pro el the machineforward, or backward accordin to the. required direction of movement.The rear wheels 4 are mounted upon spindles or axle arms ri idlyconnected with the side bars of the mam frame and projected outwardtherefrom. The front Wheels 3 are mounted upon spindles attached attheir inner ends to vertical Specification of Letters Patent.Application filed August 31.1906. Serial no. 882.877.

vroad machines.

bers,

wardly with the mounted between the outer Patented Dec. 10, 1907.

ends of horizontal extensions projected outwardfrom' hangers 6 and ,7bolted or otherwise attached frame, -Arms 8 exten forward from thevertical posts 5 and are connected by means ofi an arch 9, which in turnhas connection with a steering lever 10 or like part for moving the archlaterally when it is required to change the direction of travel of themachine. Each supportin or drive wheel 4 is provided.v with a gear wieel11 fast thereto for rotation therewith, power being imparted to the saidwheels 4 through the gear wheels ower mounted,

11 from a suitable source of upon the machine, whether t e same beelectric or other type of engine commonly em- 'loyedfor o eratin'mechanically r0 ell'ed p p Tli e driving shaft 'l 2 suitably mount'eduonthe front ortion' of the mam frame'andis connected w th the engine ormotor in any operated therefro Each 'end of thedriving shaft isprovicfid with a/sprocket pinion 13 and a sprocket gear 14,, theelements 13 and 14 being so mounted upon the shaft as to admit of theirbeingthrown into and out of A sprocket-chain 16 connects each esame sideof the machine therewith. The'mixer, kneader or like device for temperinblending or working the material is preferably'arranged at the rear ofthe machine and com rises a shaft 17, 'support' arms 18 and 'lades, 19,the latter being convenient way so as to be at their upiper ends to themain action, a lever 15 being provided for this purpose.

sprocket pinion .13 with the gear wheel 11 on curved longitudinally inan approximately spiral line. Tlie shaft -'17 is provided'near connectedb means of a sprocket chain 21 with a sproc 'et gear 14 on the same sideof the machine therewith. The mixer is preferablyedmposed of two similarparts or memthe blades ofthe other member and in disposing the membersupon the shaft 17, the

lades of one are arranged to alternate with the blades of the other. inthe operation of the machine as the same travels forward and backwardover the material, the latter is bearings attached to beams 22 which areveach end with a sprocket pinion 20 which is 1 each of like formation,the blades of one member incliningin an opposite direction to ivoted attheir front ends at 23 to the side barsl. The pivoted beams 22 arevertically adjustable at their rear ends, thereby admitting of elevatingthe mixer to the required position or throwing the same entirely out ofaction. For convenience of adjusting the pivoted beams and the mixer, atransverse shaft 24 is mounted in bearings at the upper ends of thestandards 2 and is provided with a crank handle 25 and with a ratchetwheel 26 and cooperating pawl 27 to hold the shaft against backwardrotation. A spool 28 is fast toeach end portion of-the shaft 24 and acord, chain or the like 29 is fast at one end to said spool so as towind thereon, and its oposite end is connected to a pivoted beam22.

pon rotating the shaft 24 to wind up' the cords, chains or like flexibleconnections 29,

the rear ends of the pivoted beams are elevated and the mixercorrespondingly lifted.

Bars 30 are pivoted at their front ends to.

the beams 22 and their rear ends curve downward and are provided withplates 31 which incline rearwardly and inwardly so as togather or movethe material inward in the rear of the mixer. The pivoted bars and beams22 have independent movement, thereby providing for independent movementof the mixer and gatherin blades- A loo r- 30 shaped guide 32 1s provied at or near t c rear of each pivoted beam 22 and the rear portion of apivoted bar 30 passes therethrough and is held in place and directed inits vertical movements thereby. A spring 35 '33 is arranged within eachloop-shaped guide 32 and exerts a downward pressure upon the pivotedbar. Each of said springs is stiffened by meansof a rod 34 passedloosely therethrough andthrough-a-n' openin in the 40 upper end of'theguide 32. The sta dasds 2 are approximately of inverted V-forinas1d thepivoted beams 22 are located exteriorithereto.

The foremost leg or member of each .s'i.win(i a1'd 2 is provided with aguide bar 35 between which and the said member a pivoted beam 22 passes.A keeper 36 is provided upon the rear leg or member of each standard 2to limit the upward movement of the pivoted beams. i 4

A suitable motor 37 is mounted upon the 7 main frame of the machine andis operatively connected in any manner with the-driving shaft 12topropel the machine. The drive wheels 4 have a comparatively slowmovement imparted thereto, whereas the mixer is driven at arelatively'high rate of speed, and

as a result, the material is blended or ra idly worked as the machineslowly travels thereover, both in a forward and in a backward direction.

tion advances over the material which is thrown upon the floor organg-way ina pile along the length thereof. When the -ma chine reachesthe end of the pile in one direction, the motoris reversed and themachine j limited vertical playthereof in epend'ent of The machine'inits first operacaused to traverse the pile in an opposite direction by abackward movement. Usually one movement of the machine over the ile issufficient for working the material, ut should the working not besufficient to effect the desired result, it is to be understood that.the machine may be caused to travel backward and forward over thematerial as often aslnecessary in order to attain the' desired resu t.

The numbers or parts comprising the mixer or kneader are usually spacedapart a shortdistance and in order that the center of the pile may beagitated and moved within the path of. the mixer, a divider 44 isprovided and arranged in advance of the. mixer and opposite the spaceformed between the inner ends of its members or parts, said dividerconsisting of a standard provided with a shovel and of such constructionas to readily pass through the material and move the same laterally.

Havin thus described the invention, what is c aimed as new is:

1. In a machine of the character set forth, the combination of a mainframeembodying standards, supporting whee constitutin driverabeamspivoted at lth ir ends to sai frame, a rotary mixev journaled upon said.pivo'tedbeama; adjusting means betweenthe. 96 pivotd beams andstandards for e tir'ef raising and lowering'the mixer rela 've saidstandards and securing the same in an adjusted. position, .a drive shaftjournaled m the ma' frame connections between 100 t e driving aft andthe aforesaid driverk and mixer, d'a motof mounted upon tlre machine anconnected the driving shaft to impart motion thereto.

- 2. In a machine of the charactefdes crified, .105 Q the combination oftraveling wheels, afranlev "f worksupported thereby a rotary mixerrevolubly mounted in the framework and elm bodgin'g laterally extendingspirall turved bla 's,.. means for revolving sai mixer, gathering bladescarried by and movable with said support and extending to the rear ofthe mixer, said gatherin blades extending inwardly towards each of; er,whereby they" will tend to move the material inwar'dl towards the pileand prevent scattering t oreof, and yielding means for holding thegathering blades to their work, and ermittlug a the mixer.

3.' In a machine of the character set forth, the combination of .a mainframe, pivoted beams connected thereto, a rotary mixer mounted upon thepivoted beams, bars ivotally mounted upon said beams, gathering bladesattached to the rear ends of the pivoted bars'for movin the materialinward and directin and yieiding means between the pivoted are andivoted beams.

4. In a machine of t e character set forth, 130

the combination of a, main frame, beams In testimony whereof We efiixour signapivoted thereto and prqvided wiltlh guides, g tures in presenceof two witnesses.

rota mixer mounte u r 011/ t e ivote be'ariig bars bivoted to sai dbeams e d pro- WILLIAM STOCKHAM' P" 5 vided with gathering blades anddirected in FRANK DOYLE i v 7 their movement by the aforesaid guides,and Witnesses: tension springs interposed between the said CHAS.BARTHOLOMAI, guides and pivoted bars. J GEO. W. BERRY.

